Gaya APA
Persulessy, G. et al (1985).
Technical english for agricultural education / A.K.P Vigeleyn Nikijuluw, dkk .
Jakarta:
.
Gaya MLA
Persulessy, G.H.. et al.
"Technical english for agricultural education / A.K.P Vigeleyn Nikijuluw, dkk".
Jakarta:
,
1985.
Textbook.